Reversible state transfer between light and a single trapped atom

A. D. Boozer, A. Boca, R. Miller, T. E. Northup, H. J. Kimble

Research output: Contribution to journalArticlepeer-review

260 Scopus citations


We demonstrate the reversible mapping of a coherent state of light with a mean photon number n̄ 1.1 to and from the hyperfine states of an atom trapped within the mode of a high-finesse optical cavity. The coherence of the basic processes is verified by mapping the atomic state back onto a field state in a way that depends on the phase of the original coherent state. Our experiment represents an important step toward the realization of cavity QED-based quantum networks, wherein coherent transfer of quantum states enables the distribution of quantum information across the network.

Original languageEnglish (US)
Article number193601
JournalPhysical review letters
Issue number19
StatePublished - May 8 2007

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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